EdTech2024
NumberPace
A timed maths practice app for kids, built around the UK maths curriculum. Two-minute runs, fifteen levels, no streaks holding anyone hostage.
numberpace.rezell.co.uk →From simple tools
to complex systems.
Rezell is an opinionated mobile app studio in the UK. We design and engineer end-to-end iOS and Android software with technical rigor and a human soul.
The scale of our build
01 / Utility
Single-purpose tools
Lean, focused apps that solve one problem perfectly. Speed to market meets precise engineering.
02 / Product
Consumer experiences
Feature-rich platforms with considered user flows, payments, and deep API integrations.
03 / Infrastructure
Complex systems
Mission-critical architecture with real-time data, strong security, and a clear path to scale.
Selected works
Two shipped products
FinTech2025
safeIncent
An accountability platform where users pledge real money against personal milestones. Verified evidence, secure fund holding, and a deliberately small daily surface area.
safeincent.com →How we work
01
Opinionated defaults
We don't ask 'what do you want?' first — we ask what problem we're solving, then build the best version of that solution.
02
Deep craft
Every interaction considered. Frame pacing, haptics, edge cases. Software should feel as solid as a well-made object.
03
End-to-end ownership
From the first sketch to App Store submission and the deployment pipeline behind it. One team, tight feedback loop.